13500025 has 24 divisors (see below), whose sum is σ = 20873664. Its totient is φ = 8414400.

The previous prime is 13500007. The next prime is 13500037. The reversal of 13500025 is 52000531.

It is not a de Polignac number, because 13500025 - 2¹³ = 13491833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13499981 and 13500008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1582 + ... + 5431.

It is an arithmetic number, because the mean of its divisors is an integer number (869736).

Almost surely, 2^13500025 is an apocalyptic number.

It is an amenable number.

13500025 is a deficient number, since it is larger than the sum of its proper divisors (7373639).

13500025 is a wasteful number, since it uses less digits than its factorization.

13500025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7041 (or 7036 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 13500025 is about 3674.2380162423. The cubic root of 13500025 is about 238.1103047767.

Adding to 13500025 its reverse (52000531), we get a palindrome (65500556).

It can be divided in two parts, 135000 and 25, that multiplied together give a cube (3375000 = 150³).

The spelling of 13500025 in words is "thirteen million, five hundred thousand, twenty-five".